Analysis

  • max time kernel
    158s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-05-2023 18:45

General

  • Target

    dde1dcb89625ecfc4c397f96ac3e1c59132f1bf030cd431e11809e8c4a2eeeb5.exe

  • Size

    727KB

  • MD5

    786bfd76d91e7a1e9282e065aea3aa0b

  • SHA1

    8cb2966788fa3921f2336767295ecabab830f182

  • SHA256

    dde1dcb89625ecfc4c397f96ac3e1c59132f1bf030cd431e11809e8c4a2eeeb5

  • SHA512

    fe7ac0b158655d9847fdde21f221e29e35765a8ecf8705b8f6fca233830ad1224d78276e7e1d380e0201d77eb0ef04948a29f8a0d20aa6aa1586c2f25f324f5f

  • SSDEEP

    12288:Dy90ITOjIAJ9tyzHdvW42h+FqvpVfcjf3efhr5UMhwryDrIn6QHnwbIUO7U9Bp:DyOjjLmdvWbsFeXfcjfOBDwryDr667T3

Malware Config

Signatures

  • Detects Redline Stealer samples 1 IoCs

    This rule detects the presence of Redline Stealer samples based on their unique strings.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dde1dcb89625ecfc4c397f96ac3e1c59132f1bf030cd431e11809e8c4a2eeeb5.exe
    "C:\Users\Admin\AppData\Local\Temp\dde1dcb89625ecfc4c397f96ac3e1c59132f1bf030cd431e11809e8c4a2eeeb5.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4080
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un567716.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un567716.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1532
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\30410949.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\30410949.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3972
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 1028
          4⤵
          • Program crash
          PID:2780
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk416392.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk416392.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1364
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3972 -ip 3972
    1⤵
      PID:4692

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un567716.exe

      Filesize

      573KB

      MD5

      063bedd6b832b9df47d5061981d65bdf

      SHA1

      b128ad0e5e78716a5887823859eed6323c529054

      SHA256

      5877b7aefb2c360af76592aef45793b90bb5c952af8a9cbff875765a71fa7261

      SHA512

      a95763aae4b6db9ee61a494811467427e85fcaffe4b0c386c145f9ee0dad8186e475a5ebea2dda3e216cdcc0b6b7738303b56bffb04f39c54908256e0f79da89

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un567716.exe

      Filesize

      573KB

      MD5

      063bedd6b832b9df47d5061981d65bdf

      SHA1

      b128ad0e5e78716a5887823859eed6323c529054

      SHA256

      5877b7aefb2c360af76592aef45793b90bb5c952af8a9cbff875765a71fa7261

      SHA512

      a95763aae4b6db9ee61a494811467427e85fcaffe4b0c386c145f9ee0dad8186e475a5ebea2dda3e216cdcc0b6b7738303b56bffb04f39c54908256e0f79da89

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\30410949.exe

      Filesize

      332KB

      MD5

      44d81c65a5e4f9b00bc142cc4175357d

      SHA1

      401c4ec5bc0ff9028441bd00b197f847a6e41d12

      SHA256

      aa111c8145abd57f2a6f028fdcb03ce59269f1767f60c947dc26afdf35f37bcd

      SHA512

      457e227d1930cdb780961c9be9ddcd24b17019ef20b59ef971dcf0572f33e3d159e4ea2a25d1b9ce61637b2b4bf7a660175de51b5dd89eda57946f2933c71574

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\30410949.exe

      Filesize

      332KB

      MD5

      44d81c65a5e4f9b00bc142cc4175357d

      SHA1

      401c4ec5bc0ff9028441bd00b197f847a6e41d12

      SHA256

      aa111c8145abd57f2a6f028fdcb03ce59269f1767f60c947dc26afdf35f37bcd

      SHA512

      457e227d1930cdb780961c9be9ddcd24b17019ef20b59ef971dcf0572f33e3d159e4ea2a25d1b9ce61637b2b4bf7a660175de51b5dd89eda57946f2933c71574

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk416392.exe

      Filesize

      415KB

      MD5

      8f6b9c4f3df3baa9820cf28fe99fa5ce

      SHA1

      638dcbe398f446687d552077a4fd748069cf4a3d

      SHA256

      c81013bf2a5dc878c888c7fd87dfe16393d28568b8c519e181f01f7a45b8f0a4

      SHA512

      5b3ac5fa7822302eadecd50b175b46c2dbbf67e42fa2c070e03e21eb40d0687de3b6e7721d2c8a0bd7fb6d8be2828b7ad76b91c0e86e472c68f341448152ce93

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk416392.exe

      Filesize

      415KB

      MD5

      8f6b9c4f3df3baa9820cf28fe99fa5ce

      SHA1

      638dcbe398f446687d552077a4fd748069cf4a3d

      SHA256

      c81013bf2a5dc878c888c7fd87dfe16393d28568b8c519e181f01f7a45b8f0a4

      SHA512

      5b3ac5fa7822302eadecd50b175b46c2dbbf67e42fa2c070e03e21eb40d0687de3b6e7721d2c8a0bd7fb6d8be2828b7ad76b91c0e86e472c68f341448152ce93

    • memory/1364-219-0x00000000020A0000-0x00000000020E6000-memory.dmp

      Filesize

      280KB

    • memory/1364-220-0x0000000004C10000-0x0000000004C20000-memory.dmp

      Filesize

      64KB

    • memory/1364-996-0x0000000004C10000-0x0000000004C20000-memory.dmp

      Filesize

      64KB

    • memory/1364-995-0x0000000004C10000-0x0000000004C20000-memory.dmp

      Filesize

      64KB

    • memory/1364-192-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-993-0x0000000004C10000-0x0000000004C20000-memory.dmp

      Filesize

      64KB

    • memory/1364-194-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-990-0x0000000004BA0000-0x0000000004BDC000-memory.dmp

      Filesize

      240KB

    • memory/1364-989-0x0000000007C70000-0x0000000007D7A000-memory.dmp

      Filesize

      1.0MB

    • memory/1364-988-0x0000000004B70000-0x0000000004B82000-memory.dmp

      Filesize

      72KB

    • memory/1364-987-0x0000000007650000-0x0000000007C68000-memory.dmp

      Filesize

      6.1MB

    • memory/1364-228-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-226-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-223-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-224-0x0000000004C10000-0x0000000004C20000-memory.dmp

      Filesize

      64KB

    • memory/1364-222-0x0000000004C10000-0x0000000004C20000-memory.dmp

      Filesize

      64KB

    • memory/1364-218-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-216-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-214-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-212-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-210-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-196-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-206-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-204-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-202-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-191-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-994-0x0000000004C10000-0x0000000004C20000-memory.dmp

      Filesize

      64KB

    • memory/1364-991-0x0000000004C10000-0x0000000004C20000-memory.dmp

      Filesize

      64KB

    • memory/1364-208-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-198-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/1364-200-0x0000000002630000-0x0000000002665000-memory.dmp

      Filesize

      212KB

    • memory/3972-150-0x0000000004B60000-0x0000000005104000-memory.dmp

      Filesize

      5.6MB

    • memory/3972-183-0x0000000004B50000-0x0000000004B60000-memory.dmp

      Filesize

      64KB

    • memory/3972-149-0x0000000004B50000-0x0000000004B60000-memory.dmp

      Filesize

      64KB

    • memory/3972-184-0x0000000004B50000-0x0000000004B60000-memory.dmp

      Filesize

      64KB

    • memory/3972-186-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/3972-182-0x0000000004B50000-0x0000000004B60000-memory.dmp

      Filesize

      64KB

    • memory/3972-181-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/3972-162-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-148-0x00000000004F0000-0x000000000051D000-memory.dmp

      Filesize

      180KB

    • memory/3972-179-0x0000000004B50000-0x0000000004B60000-memory.dmp

      Filesize

      64KB

    • memory/3972-151-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-152-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-160-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-158-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-180-0x0000000004B50000-0x0000000004B60000-memory.dmp

      Filesize

      64KB

    • memory/3972-164-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-168-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-170-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-172-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-176-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-178-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-174-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-166-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-154-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/3972-156-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB